Examples with WrapperNonMaximumBlock boofcv.abst.feature.detect.extract.WrapperNonMaximumBlock used on opensource projects

Example 1 with WrapperNonMaximumBlock

use of boofcv.abst.feature.detect.extract.WrapperNonMaximumBlock in project BoofCV by lessthanoptimal.

the class BenchmarkExtractors method main.

public static void main(String[] args) {
    intensity = new GrayF32(imgWidth, imgHeight);
    corners = new QueueCorner(imgWidth * imgHeight);
    // have about 1/20 the image below threshold
    ImageMiscOps.fillUniform(intensity, rand, 0, threshold * 20.0f);
    System.out.println("=========  Profile Image Size " + imgWidth + " x " + imgHeight + " ==========");
    System.out.println();
    ThresholdCornerExtractor algThresh = new ThresholdCornerExtractor();
    NonMaxBlockStrict algBlockStrict = new NonMaxBlockStrict.Max();
    NonMaxBlockStrict algBlockStrictMinMax = new NonMaxBlockStrict.MinMax();
    NonMaxExtractorNaive algNaiveStrict = new NonMaxExtractorNaive(true);
    NonMaxBlockRelaxed algBlockRelaxed = new NonMaxBlockRelaxed.Max();
    NonMaxExtractorNaive algNaiveRelaxed = new NonMaxExtractorNaive(true);
    for (int radius = 1; radius < 20; radius += 1) {
        System.out.println("Radius: " + radius);
        System.out.println();
        windowRadius = radius;
        NM alg2 = new NM("Block Strict", new WrapperNonMaximumBlock(algBlockStrict));
        NM alg3 = new NM("Block Strict MinMax", new WrapperNonMaximumBlock(algBlockStrictMinMax));
        NM alg4 = new NM("Naive Strict", new WrapperNonMaximumNaive(algNaiveStrict));
        NM alg5 = new NM("Block Relaxed", new WrapperNonMaximumBlock(algBlockRelaxed));
        NM alg6 = new NM("Naive Relaxed", new WrapperNonMaximumNaive(algNaiveRelaxed));
        ProfileOperation.printOpsPerSec(alg2, TEST_TIME);
        ProfileOperation.printOpsPerSec(alg3, TEST_TIME);
    // ProfileOperation.printOpsPerSec(alg4, TEST_TIME);
    // ProfileOperation.printOpsPerSec(alg5, TEST_TIME);
    // ProfileOperation.printOpsPerSec(alg6, TEST_TIME);
    // ProfileOperation.printOpsPerSec(alg1, TEST_TIME);
    }
}

Example 2 with WrapperNonMaximumBlock

use of boofcv.abst.feature.detect.extract.WrapperNonMaximumBlock in project BoofCV by lessthanoptimal.

the class VideoDetectCorners method perform.

public static <T extends ImageGray<T>, D extends ImageGray<D>> void perform(String fileName, Class<T> imageType, Class<D> derivType) {
    SimpleImageSequence<T> sequence = BoofVideoManager.loadManagerDefault().load(fileName, ImageType.single(imageType));
    int maxCorners = 200;
    int radius = 2;
    GeneralFeatureIntensity<T, D> intensity = new WrapperGradientCornerIntensity<>(FactoryIntensityPointAlg.shiTomasi(radius, false, derivType));
    // GeneralFeatureIntensity<T, D> intensity =
    // new WrapperFastCornerIntensity<T, D>(FactoryIntensityPointAlg.createFast12(defaultType, 8 , 12));
    NonMaxSuppression extractor = new WrapperNonMaximumBlock(new NonMaxBlockStrict.Max());
    // FeatureExtractor extractor = new WrapperNonMaximumBlock( new NonMaxExtractorNaive(radius+10,10f));
    // FeatureExtractor extractor = new WrapperNonMaxCandidate(new NonMaxCandidateStrict(radius+10, 10f));
    extractor.setIgnoreBorder(radius + 10);
    extractor.setThresholdMaximum(10f);
    GeneralFeatureDetector<T, D> detector = new GeneralFeatureDetector<>(intensity, extractor);
    detector.setMaxFeatures(maxCorners);
    VideoDetectCorners<T, D> display = new VideoDetectCorners<>(sequence, detector, derivType);
    display.process();
}